wavel.	cross section	error limit

200	3.17e-18	2.3e-19
205	2.37e-18	2.2e-19
210	1.65e-18	1.4e-19
215	1.15e-18	9.0e-20
220	7.70e-19	6.0e-20
225	5.50e-19	4.0e-20
230	3.99e-19	3.1e-20
235	2.90e-19	2.1e-20
240	2.09e-19	1.6e-20
245	1.50e-19	1.2e-20
250	1.09e-19	9.0e-21
255	7.90e-20	6.0e-21
260	5.70e-20	8.0e-21
265	4.04e-20	3.0e-21
270	2.79e-20	1.7e-21
275	1.82e-20	1.2e-21
280	1.14e-20	8.0e-22
285	7.16e-21	2.3e-22
290	4.14e-21	2.5e-22
295	2.21e-21	1.6e-22
300	1.05e-21	2.3e-22